Alias · Leg Entanglements
Fifty-Fifty
Also known as 50/50 — the canonical term used on this site.
Spelled-out — fifty-fifty mutual leg entanglement
Fifty-Fifty is the spelled-out form of the 50/50 leg entanglement — the symmetric mutual-entanglement configuration in which both players have mirror-image leg control.
Etymology. “Fifty-Fifty” is the spelled-out version of “50/50”; both refer to the same symmetric position. The compound is more common in spoken vocabulary; the numeric form predominates in published material.
Mechanics. The symmetric configuration creates an attacking race — whichever player reaches the leg-attack angle first generally wins.
Cross-reference. “50/50 Guard” and “Mutual Entanglement” are alternate names. Full mechanical coverage on 50/50.